The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · amended

ST01181CH-D

Replacement of existing Honeywell Control Display Units with CD-820 CDUs for No. 1 and No. 2 FMZ-2000 Flight Management Systems installed by Gulfstream, and for the No. 3 FMZ-2000 (Standby FMS installed with Gulfstream Aerospace STC ST00964AT, with Gulfstream Aerospace Corp Drawing List CE411188007, Rev A, dtd 5/31/01, or later FAA approved revision. Held by Gulfstream Aerospace Corporation, which holds 1,861 approved modifications in all. Last revised April 4, 2003. System: instruments and avionics.

What it applies to

Kind of product
Aircraft
Design holder
Gulfstream Aerospace Corporation
Models
G-IV
Type certificate
A12EA
On this site
Gulfstream G-IV Gulfstream IV 357 registered
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 21, 2026.